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Finding the Fourth Proportional to 5,649.30, 7,791.30 and 4,236.35

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Solution

The fourth proportional to 5,649.30, 7,791.30 and 4,236.35 is: 5,842.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,649.30 : 7,791.30 = 4,236.35 : x
  2. Step 2: Convert to fraction form
    5,649.30/7,791.30 = 4,236.35/x
  3. Step 3: Cross multiply
    5,649.30x = 7,791.30 × 4,236.35
  4. Step 4: Simplify right side
    5,649.30x = 33,006,634.80
  5. Step 5: Solve for x
    x = 33,006,634.80/5,649.30
  6. Step 6: Final answer
    x = 5,842.61

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.